linux-kernel - Re: [PATCH v17 2/3] usb: USB Type-C connector class

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1488793049.2209.4.camel@suse.com>
Date:   Mon, 06 Mar 2017 10:37:29 +0100
From:   Oliver Neukum <oneukum@...e.com>
To:     Mats Karrman <mats.dev.list@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     Felipe Balbi <felipe.balbi@...ux.intel.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH v17 2/3] usb: USB Type-C connector class

Am Freitag, den 03.03.2017, 20:27 +0100 schrieb Mats Karrman:
> On 2017-03-03 13:59, Heikki Krogerus wrote:
> 
> > 
> > On Fri, Mar 03, 2017 at 08:29:18AM +0100, Mats Karrman wrote:
> > ....
> 
> > 
> > How would something like that sound to you guys?
> 
> Complicated... Need to marinate on that for a while ;)

The thing is that a type C plug has operations that affect every
device on it and need to be synchronized. Reset and power
requirements would be the obvious examples.

It seems to me that the natural way to represent this is a bus.
Like SCSI where you have a bus reset operation.

	Regards
		Oliver